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rtspsrc: add signal to notify of the SDP

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This way, the app can look and modify the SDP.
This commit is contained in:
Wim Taymans 2013-07-01 17:28:55 +02:00
parent 5d98c9d500
commit 1db7e62060
1 changed files with 25 additions and 0 deletions
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25
gst/rtsp/gstrtspsrc.c
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@ -121,6 +121,7 @@ GST_STATIC_PAD_TEMPLATE ("internalsink_%u",
enum
{
SIGNAL_HANDLE_REQUEST,
SIGNAL_ON_SDP,
LAST_SIGNAL
};
@ -573,6 +574,27 @@ gst_rtspsrc_class_init (GstRTSPSrcClass * klass)
0, NULL, NULL, g_cclosure_marshal_generic, G_TYPE_NONE, 2,
G_TYPE_POINTER, G_TYPE_POINTER);
/**
* GstRTSPSrc::on-sdp:
* @rtspsrc: a #GstRTSPSrc
* @sdp: a #GstSDPMessage
*
* Emited when the client has retrieved the SDP and before it configures the
* streams in the SDP. @sdp can be inspected and modified.
*
* This signal is called from the streaming thread, you should therefore not
* do any state changes on @rtspsrc because this might deadlock. If you want
* to modify the state as a result of this signal, post a
* #GST_MESSAGE_REQUEST_STATE message on the bus or signal the main thread
* in some other way.
*
* Since: 1.2
*/
gst_rtspsrc_signals[SIGNAL_ON_SDP] =
g_signal_new ("on-sdp", G_TYPE_FROM_CLASS (klass), 0,
0, NULL, NULL, g_cclosure_marshal_generic, G_TYPE_NONE, 1,
GST_TYPE_SDP_MESSAGE | G_SIGNAL_TYPE_STATIC_SCOPE);
gstelement_class->send_event = gst_rtspsrc_send_event;
gstelement_class->provide_clock = gst_rtspsrc_provide_clock;
gstelement_class->change_state = gst_rtspsrc_change_state;
@ -5816,6 +5838,9 @@ gst_rtspsrc_open_from_sdp (GstRTSPSrc * src, GstSDPMessage * sdp,
gst_rtsp_ext_list_parse_sdp (src->extensions, sdp, src->props);
/* let the app inspect and change the SDP */
g_signal_emit (src, gst_rtspsrc_signals[SIGNAL_ON_SDP], 0, sdp);
gst_segment_init (&src->segment, GST_FORMAT_TIME);
/* parse range for duration reporting. */